package com.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.reggie.common.R;
import com.reggie.entity.Employee;
import com.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {

    @Resource
    private EmployeeService employeeService;

    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee){

        String password = employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());

        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername, employee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);

        if(emp == null){
            return R.error("登录失败");
        }

        if(!emp.getPassword().equals(password)){
            return R.error("登陆失败");
        }

        if(emp.getStatus() == 0){
            return R.error("账号已禁用");
        }

        request.getSession().setAttribute("employee", emp.getId());
        return R.success(emp);
    }

    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request){
        request.getSession().removeAttribute("employee");
        return R.success("退出成功!");
    }

    @PostMapping
    public R<String> save(@RequestBody Employee employee){
        log.info("新增员工, 员工信息：{}", employee.toString());
        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));

        employeeService.save(employee);

        return R.success("新增员工成功");
    }

    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, String name){
        log.info("page = {}, pageSize = {}", page, pageSize);
        Page pageInfo = new Page(page, pageSize);

        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();

        queryWrapper.like(StringUtils.isNotEmpty(name), Employee::getName, name);

        queryWrapper.orderByDesc(Employee::getUpdateTime);

        employeeService.page(pageInfo, queryWrapper);

        return R.success(pageInfo);
    }

    @PutMapping
    public R<String> update(@RequestBody Employee employee){
        log.info(employee.toString());

        employeeService.updateById(employee);
        return R.success("员工信息修改成功");
    }

    @GetMapping("/{id}")
    public R<Employee> getById(@PathVariable Long id){
        log.info("根据ID查询..");
        Employee employee = employeeService.getById(id);
        if(employee != null){
            return R.success(employee);
        }

        return R.error("查询失败");
    }
}
